How can I implement the function atof in TestStand?

Hi,
I would like to convert a string to a number.....same as num = atof(aString);
How do you do it with TS functions?
Thanks

Rafi,
There is an expression function used to convert strings to numbers.
Val( string, <isValid> )
->Converts a string to number.
Hope it helps.
Antonio Lie.
Message Edited by Antonio Lie (NI) on 10-04-2006 11:19 AM

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1. MetroApp.BluePrints - a class library composed of the classes in my sql db
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namespace MetroApp.BluePrints
public partial class Patient
public long Id { get; set; }
public string PatientNumber { get; set; }
public string LastName { get; set; }
public string FirstName { get; set; }
public string MiddleName { get; set; }
public string AddressLine1 { get; set; }
public Nullable<short> CityId { get; set; }
public string CityName { get; set; }
public Nullable<short> ProvinceId { get; set; }
public string ProvinceName { get; set; }
Then the second project:
2. MetroApp.DataAccess = a class library composed of methods that calls my sql procedures. I used the SqlHelper class which contains the connection strings and other stuffs.
example class
namespace MetroApp.DataAccess
public class PatientDb
public Patient Retrieve(PatientParams parameters)
SqlCommand command = new SqlCommand();
Patient singItem = new Patient();
command.CommandText = "RetrievePatients";
command.CommandType = CommandType.StoredProcedure;
command.Parameters.AddWithValue("@Id", parameters.Id).Direction = ParameterDirection.Input;
DataTable dt = SqlHelper.GetData(command);
if (dt.Rows.Count > 0)
DataRow row = dt.Rows[0];
singItem.Id = TDefaultValue.GetInt(row["Id"].ToString());
singItem.PatientNumber = TDefaultValue.GetString(row["PatientNumber"].ToString());
singItem.LastName = TDefaultValue.GetString(row["LastName"].ToString());
singItem.FirstName = TDefaultValue.GetString(row["FirstName"].ToString());
singItem.MiddleName = TDefaultValue.GetString(row["MiddleName"].ToString());
singItem.AddressLine1 = TDefaultValue.GetString(row["AddressLine1"].ToString());
singItem.CityId = TDefaultValue.GetShort(row["CityId"].ToString());
singItem.CityName = TDefaultValue.GetString(row["CityName"].ToString());
singItem.ProvinceId = TDefaultValue.GetShort(row["ProvinceId"].ToString());
singItem.ProvinceName = TDefaultValue.GetString(row["ProvinceName"].ToString());
return singItem;
public List<Patient> RetrieveMany(PatientParams parameters)
var items = new List<Patient>();
var command = new SqlCommand();
command.CommandText = "RetrievePatients";
command.CommandType = CommandType.StoredProcedure;
command.Parameters.AddWithValue("@Id", parameters.Id).Direction = ParameterDirection.Input;
command.Parameters.AddWithValue("@PatientNumber", parameters.PatientNumber).Direction = ParameterDirection.Input;
command.Parameters.AddWithValue("@LastName", parameters.LastName).Direction = ParameterDirection.Input;
command.Parameters.AddWithValue("@FirstName", parameters.FirstName).Direction = ParameterDirection.Input;
command.Parameters.AddWithValue("@MiddleName", parameters.MiddleName).Direction = ParameterDirection.Input;
command.Parameters.AddWithValue("@CityId", parameters.CityId).Direction = ParameterDirection.Input;
command.Parameters.AddWithValue("@ProvinceId", parameters.ProvinceId).Direction = ParameterDirection.Input;
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foreach (DataRow row in dt.Rows)
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item.Id = TDefaultValue.GetLong(row["Id"].ToString());
item.PatientNumber = (row["PatientNumber"].ToString());
item.LastName = (row["LastName"].ToString());
item.FirstName = (row["FirstName"].ToString());
item.MiddleName = (row["MiddleName"].ToString());
item.AddressLine1 = (row["AddressLine1"].ToString());
item.CityId = (short)row["CityId"].ToString();
item.CityName = (row["CityName"].ToString());
item.ProvinceId = (short)row["ProvinceId"].ToString();
item.ProvinceName = (row["ProvinceName"].ToString());
items.Add(item);
return items;
public bool Insert(Patient entity, int userId, ref bool doesExist)
var command = new SqlCommand();
try
command.CommandText = "AddPatient";
command.CommandType = CommandType.StoredProcedure;
command.Parameters.AddWithValue("@PatientNumber", entity.PatientNumber).Direction = ParameterDirection.Input;
command.Parameters.AddWithValue("@LastName", entity.LastName).Direction = ParameterDirection.Input;
command.Parameters.AddWithValue("@FirstName", entity.FirstName).Direction = ParameterDirection.Input;
command.Parameters.AddWithValue("@MiddleName", entity.MiddleName).Direction = ParameterDirection.Input;
command.Parameters.AddWithValue("@AddressLine1", entity.AddressLine1).Direction = ParameterDirection.Input;
command.Parameters.AddWithValue("@CityId", entity.CityId).Direction = ParameterDirection.Input;
command.Parameters.AddWithValue("@ProvinceId", entity.ProvinceId).Direction = ParameterDirection.Input;
command.Parameters.AddWithValue("@Id", entity.Id).Direction = ParameterDirection.Input;
command.Parameters.Add("@DoesExist", SqlDbType.Bit).Direction = ParameterDirection.Output;
int result = SqlHelper.ExecuteNonQuery(command);
doesExist = (bool)(command.Parameters["@DoesExist"].Value);
entity.Id = (int)(command.Parameters["@Id"].Value);
if (result == 0 || doesExist)
return false;
return true;
catch (Exception)
return false;
public bool Update(Patient entity, int userId, ref bool doesExist)
var command = new SqlCommand();
try
command.CommandText = "EditPatient";
command.CommandType = CommandType.StoredProcedure;
command.Parameters.AddWithValue("@PatientNumber", entity.PatientNumber).Direction = ParameterDirection.Input;
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command.Parameters.AddWithValue("@FirstName", entity.FirstName).Direction = ParameterDirection.Input;
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command.Parameters.Add("@DoesExist", SqlDbType.Bit).Direction = ParameterDirection.Output;
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if (result == 0 || doesExist)
return false;
return true;
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return false;
Then a business logic
3. MetroApp.BusinessLogic = class libray for calling the methods from DataAccess
namespace MetroApp.BusinessLogic
public class PatientMgr
#region Fields
private readonly PatientDb _db;
#endregion
#region Properties
public Patient Entity { get; set; }
public List<Patient> EntityList { get; set; }
public PatientParams Parameters { get; set; }
#endregion
#region Constructors
public PatientMgr()
_db = new PatientDb();
Entity = new Patient();
EntityList = new List<Patient>();
Parameters = new PatientParams();
#endregion
#region Methods
public Patient Retrieve(PatientParams parameters)
return _db.Retrieve(parameters);
public List<Patient> RetrieveMany(PatientParams parameters)
return _db.RetrieveMany(parameters);
public bool Insert(Patient entity, int userId, ref bool doesExist)
return _db.Insert(entity, userId, ref doesExist);
public bool Update(Patient entity, int userId, ref bool doesExist)
return _db.Update(entity, userId, ref doesExist);
#endregion
Then the last one, the WPF GUI
<UserControl x:Class="MetroDentProject.Pages.PatientDetailsPage"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:dims="clr-namespace:MetroAppProject.UserCons"
mc:Ignorable="d"
d:DesignHeight="720" d:DesignWidth="1280">
<Grid x:Name="MainGrid" >
<Grid.RowDefinitions>
<RowDefinition Height="40"/>
<RowDefinition />
<RowDefinition />
<RowDefinition />
<RowDefinition />
<RowDefinition />
<RowDefinition />
<RowDefinition />
<RowDefinition />
<RowDefinition />
<RowDefinition />
<RowDefinition />
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition />
<ColumnDefinition />
<ColumnDefinition />
</Grid.ColumnDefinitions>
<GroupBox Grid.Column="0" Grid.Row="1" Grid.RowSpan="7" x:Name="DetailsGroupBox" Header="Patient Details" >
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition/>
<ColumnDefinition/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
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<TextBlock Text="Id: " Grid.Column="1" Grid.Row="0" Visibility="Collapsed"/>
<TextBox x:Name="IdTextBox" Grid.Column="1" Grid.Row="1" Visibility="Collapsed"/>
<TextBlock x:Name="PatientNumberTextBlock" Text="Patient Number: " Grid.Column="0" Grid.Row="0" />
<TextBox x:Name="PatientNumberTextBox" Grid.Column="1" Grid.Row="0" IsReadOnly="True" IsReadOnlyCaretVisible="True"/>
<TextBlock Text="Last Name: " Grid.Column="0" Grid.Row="1" />
<TextBox x:Name="LastNameTextBox" Grid.Column="1" Grid.Row="1" />
<TextBlock Text="First Name: " Grid.Column="0" Grid.Row="2" />
<TextBox x:Name="FirstNameTextBox" Grid.Column="1" Grid.Row="2" />
<TextBlock Text="Middle Name: " Grid.Column="0" Grid.Row="3" />
<TextBox x:Name="MiddleNameTextBox" Grid.Column="1" Grid.Row="3" />
</Grid>
</GroupBox>
<GroupBox x:Name="ContactDetailsGroupBox" Header="Contact Details" Grid.Column="1" Grid.Row="1" Grid.RowSpan="7">
<Grid>
<Grid.ColumnDefinitions>
<ColumnDefinition/>
<ColumnDefinition />
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
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<TextBlock Text="Address: " Grid.Column="0" Grid.Row="0" Grid.RowSpan="2" />
<TextBlock Text="City: " Grid.Column="0" Grid.Row="2" />
<TextBlock Text="Province: " Grid.Column="0" Grid.Row="3"/>
<TextBox x:Name="AddressTextBox" Grid.Column="1" Grid.Row="0" Grid.RowSpan="2"
TextWrapping="Wrap"
AcceptsReturn="True"
VerticalScrollBarVisibility="Auto"
/>
<ComboBox x:Name="CitiesComboBox" Grid.Column="1" Grid.Row="2" />
<ComboBox x:Name="ProvincesComboBox" Grid.Column="1" Grid.Row="3" />
</Grid>
</GroupBox>
<dims:FunctionButtonsControl x:Name="FunctionButtonsCon" Grid.Row="9" Grid.Column="0" Grid.ColumnSpan="2"
ExecuteClick="FunctionButtonsCon_OnExecuteClick"
UndoClick="FunctionButtonsCon_OnUndoClick"
BackClick="FunctionButtonsCon_OnBackClick"
DeleteClick="FunctionButtonsCon_OnDeleteClick"
/>
</Grid>
</UserControl>
I apologize for the long post. As you can see, I don't use binding. Binding requires me to use INotifyPropertyChanged interface which I am not familiar. Can you at least make my project to implement the INotifypropertyChanged?
Here is my sample code for the WPF page:
public partial class PatientDetailsPage
readonly PatientMgr itemMgr = new PatientMgr();
public PatientParams CurrentPar = new PatientParams(); // for undoActionType _action = ActionType.Insert; // this is an enum from another project, ActionType.Insert, ActionType.Update
public ActionType Action
get { return _action; }
set { _action = value; }
public PatientDetailsPage()
InitializeComponent();
BindComboBoxes();
#region Methods
public void OnFragmentNavigation(FragmentNavigationEventArgs e)
public void OnNavigatedFrom(NavigationEventArgs e)
public void OnNavigatedTo(NavigationEventArgs e)
{ Setup();
public void OnNavigatingFrom(NavigatingCancelEventArgs e)
public Patient GetPageEntity()
Patient setEntity = new Patient();
setEntity.Id = (long)IdTextBox.Text;
setEntity.PatientNumber = PatientNumberTextBox.Text;
setEntity.LastName = LastNameTextBox.Text;
setEntity.FirstName = FirstNameTextBox.Text;
setEntity.MiddleName = MiddleNameTextBox.Text;
setEntity.AddressLine1 = AddressTextBox.Text;
setEntity.CityId = (short)CitiesComboBox.SelectedValue);
setEntity.ProvinceId = (short)ProvincesComboBox.SelectedValue;
setEntity.StatusId = true;
return setEntity;
public void Setup()
switch (Action)
case ActionType.Insert:
Clearer(); //clears all textboxes and set all comboboxes to default
this.PatientNumberTextBlock.Visibility = Visibility.Collapsed;
this.PatientNumberTextBox.Visibility = Visibility.Collapsed;
FunctionButtonsCon.ExecuteButton.Content = "Add";
FunctionButtonsCon.DeleteButton.IsEnabled = false;
FunctionButtonsCon.DeleteButton.Visibility = Visibility.Hidden;
break;
//**Setup Update
case ActionType.Update:CurrentPar.Id = (long)IdTextBox.Text;
LoadSingle(CurrentPar);
this.PatientNumberTextBlock.Visibility = Visibility.Visible;
this.PatientNumberTextBox.Visibility = Visibility.Visible;
FunctionButtonsCon.ExecuteButton.Content = "Save";
FunctionButtonsCon.DeleteButton.IsEnabled = true;
FunctionButtonsCon.DeleteButton.Visibility = Visibility.Visible;
break;
LastNameTextBox.CaretIndex = LastNameTextBox.Text.Length;
IsVisibleChanged += AutoFocus;
public void LoadSingle(PatientParams parameters)
var entity = itemMgr.Retrieve(parameters); //calls the BusinessLogic
IdTextBox.Text = (entity.Id);
PatientNumberTextBox.Text = (entity.PatientNumber);
LastNameTextBox.Text = (entity.LastName);
FirstNameTextBox.Text = (entity.FirstName);
MiddleNameTextBox.Text = (entity.MiddleName);
AddressTextBox.Text = (entity.AddressLine1);
CitiesComboBox.SelectedValue = (short)entity.CityId;
ProvincesComboBox.SelectedValue = (short)entity.ProvinceId;
public void Save(ActionType action, int userId)
itemMgr.Entity = GetPageEntity();
bool doesExist = false;
switch (action)
case ActionType.Insert:
if (itemMgr.Insert((itemMgr.Entity), userId, ref doesExist))
System.Windows.Forms.MessageBox.Show("Successfully added a Patient!", "Patient Insertion");
else if (doesExist)
System.Windows.Forms.MessageBox.Show("Item already exists.", "Patient Insertion");
else
System.Windows.Forms.MessageBox.Show("Not all fields were filled in.", "Patient Insertion");
break;
case ActionType.Update:
if (itemMgr.Update(itemMgr.Entity, userId, ref doesExist))
System.Windows.Forms.MessageBox.Show("Successfully updated a Patient!", "Patient Modification");
itemMgr.Parameters.Id = itemMgr.Entity.Id;
Action = ActionType.Update;
Setup();
else if (doesExist)
System.Windows.Forms.MessageBox.Show("Item already exists.", "Patient Modification");
else
System.Windows.Forms.MessageBox.Show("Not all fields were filled in.", "Patient Modification");
break;
public void Clearer()
IdTextBox.Clear();
PatientNumberTextBox.Clear();
LastNameTextBox.Clear();
FirstNameTextBox.Clear();
MiddleNameTextBox.Clear();
CitiesComboBox.SelectedIndex = 0;
ProvincesComboBox.SelectedIndex = 0;
AddressTextBox.Clear();
public void BindComboBoxes()
CitiesComboBox.ItemsSource = new BindingSource(CommonMgr.GetCitiesDropDown(), null);// the CommonMgr is a static class from another project. It works just fine
CitiesComboBox.DisplayMemberPath = "Value";
CitiesComboBox.SelectedValuePath = "Key";
ProvincesComboBox.ItemsSource = new BindingSource(CommonMgr.GetProvincesDropDown(), null);
ProvincesComboBox.DisplayMemberPath = "Value";
ProvincesComboBox.SelectedValuePath = "Key";
CitiesComboBox.SelectedIndex = 0;
ProvincesComboBox.SelectedIndex = 0;
#endregion
#region Events
private void FunctionButtonsCon_OnExecuteClick(object sender, RoutedEventArgs e)
Save(Action, SessionHelper.MyUser.Id); //SessionHelper.MyUser.Id
private void FunctionButtonsCon_OnUndoClick(object sender, RoutedEventArgs e)
if (Action == ActionType.Insert)
Clearer();
return;
private void FunctionButtonsCon_OnBackClick(object sender, RoutedEventArgs e)
Exiter();
private void FunctionButtonsCon_OnDeleteClick(object sender, RoutedEventArgs e)
var ans = System.Windows.Forms.MessageBox.Show("Are you sure you want to delete this entry?", "Patient Deletion", MessageBoxButtons.YesNo);
if (!Equals(ans, System.Windows.Forms.DialogResult.Yes)) return;
Action = ActionType.Delete;
Save(Action, SessionHelper.MyUser.Id);
Exiter();
#endregion

Hello Kokombads,
I thought you are using MVVM from your title but it seems your project is just a simple WPF project. In that way, please check the following msdn article to know how to Implement Property Change Notification
https://msdn.microsoft.com/en-us/library/ms743695(v=vs.110).aspx
using System.ComponentModel;
namespace SDKSample
// This class implements INotifyPropertyChanged
// to support one-way and two-way bindings
// (such that the UI element updates when the source
// has been changed dynamically)
public class Person : INotifyPropertyChanged
private string name;
// Declare the event
public event PropertyChangedEventHandler PropertyChanged;
public Person()
public Person(string value)
this.name = value;
public string PersonName
get { return name; }
set
name = value;
// Call OnPropertyChanged whenever the property is updated
OnPropertyChanged("PersonName");
// Create the OnPropertyChanged method to raise the event
protected void OnPropertyChanged(string name)
PropertyChangedEventHandler handler = PropertyChanged;
if (handler != null)
handler(this, new PropertyChangedEventArgs(name));
It is not so complex, you only need to refer to the interface from here:
https://msdn.microsoft.com/en-us/library/system.componentmodel.inotifypropertychanged(v=vs.110).aspx
And understand that you have to do the following:
For change notification to occur in a binding between a bound client and a data source, your bound type should either:
Implement the INotifyPropertyChanged interface (preferred).
Provide a change event for each property of the bound type
Best regards,
Barry
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How can I implement the equivilent of a temporary table with "on commit delete rows"?

hi,
I have triggers on several tables. During a transaction, I need to gather information from all of them, and once one of the triggers has all the information, it creates some data. I Can't rely on the order of the triggers.
In Oracle and DB2, I'm using temporary tables with "ON COMMIT DELETE ROWS" to gather the information - They fit perfectly to the situation since I don't want any information to be passed between different transactions.
In SQL Server, there are local temporary tables and global. Local temp tables don't work for me since apparently they get deleted at the end of the trigger. Global tables keep the data between transactions.
I could use global tables and add some field that identifies the transaction, and in each access to these tables join by this field, but didn't find how to get some unique identifier for the transaction. @@SPID is the session, and sys.dm_tran_current_transaction
is not accessible by the user I'm supposed to work with.
Also with global tables, I can't just wipe data when "operation is done" since at the triggers level I cannot identify when the operation was done, transaction was committed and no other triggers are expected to fire.
Any idea which construct I could use to acheive the above - passing information between different triggers in the same transaction, while keeping the data visible to the current transaction?
(I saw similar questions but didn't see an adequate answer, sorry if posting something that was already asked).
Thanks!

This is the scenario: If changes (CRUD) happen to both TableA and TableB, then log some info to TableC. Logic looks something like this:
Create Trigger TableA_C After Insert on TableA {
If info in temp tables available from TableB
        Write info to TableC
   else
       Write to temp tables info from TableA
Create Trigger TableB_C After Insert on TableB {
If info in temp tables available from TableA
        Write info to TableC
   else
       Write to temp tables info from TableB
So each trigger needs info from the other table, and once everything is available, info to TableC is written. Info is only from the current transaction.
Order of the triggers is not defined. Also there's no gurantee that both triggers would fire - changes can happen only to TableA / B and in that case I don't want to write anything to TableC.
The part that gets and sets info to temp table is implemented as temp tables with "on commit delete rows" in DB2 / Oracle.
What do you think? As I've mentioned, I could use global temp tables with a field that would identify the transaction, but didn't find something like that in SQL Server. And, the lifespan of local temp tables is too short.

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